Surf Forecasts:
Kennebunk Beach surf forecast from 12 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 8PM (local time) - 4.5ft (1.3m), 6s period, S swell with 104 kJ wave energy.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.3m 6s and forecast to arrive on Thursday (Sep 17) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Thursday (Sep 17) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Thu 17th Sep) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright, it’s Rusty again, and I’m gonna break it down in feet and knots for you. This 16-day stretch is looking flat and quiet—no real swell to get excited about at Kennebunk Beach. There’s a long gap of nothing happening, so don’t hold your breath.
Water temp is around 64°, a touch warmer than usual for this time of year, but that’s about the only good news. From Friday the 11th through Sunday the 13th, we’re looking at waves around 1ft to 1ft, weak and choppy with onshore winds. Combined energy readings are in the teens to mid-40s—barely a ripple.
Monday the 14th gives us a bit of hope: a 3ft swell from the SE, but period is only 6 seconds, so it’s windswell. The morning is clean with a light offshore, and the afternoon goes glassy—NNW wind at 0 knots, zero chop. It’s small and weak, but if you want to paddle around, that’s your window.
Then it’s back to tiny, choppy, or onshore for days. Wednesday the 23rd afternoon is the only other spot that looks halfway decent: 3ft from the ESE, period up to 9 seconds, and a light offshore breeze. Energy hits 127, so there’s a bit of push, and it’s clean. That’s the best of the whole run, but still nothing special.
Thursday the 24th has similar size but onshore wind, so it’s messy. Friday the 25th morning is glassy but only 3ft and weak.
Bottom line: this is a flat spell. If you really need to surf, your best bets are Monday the 14th afternoon or Wednesday the 23rd afternoon. Don’t expect much.
Rusty, out.
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Warm (max 23°C on Fri afternoon, min 14°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Mon afternoon, min 10°C on Tue morning). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SSE 6 | SE 9 | SE 10 | S 5 | SE 10 | SE 10 | SE 9 | SE 6 | SE 7 | SE 7 | SE 7 | E 6 | ESE 9 | ESE 7 | ESE 8 | E 8 | S 4 | S 5 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 22 | 4 | 14 | 14 | 45 | 24 | 32 | 29 | 68 | 77 | 41 | 17 | 35 | 8 | 17 | 19 | 30 | 18 | 100 | 22 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-on | cross | on | cross-on | cross-on | on | off | glassy | cross-off | off | cross-off | cross-off | glassy | cross-on | on | cross-on | cross-on | on |
High Tide | 00:20AM3.07m | 12:43PM3.04m | 1:05AM2.98m | 1:24PM3.02m | 1:50AM2.85m | 2:05PM2.95m | 2:35AM2.69m | 2:47PM2.86m | 3:22AM2.54m | 3:31PM2.75m | 4:11AM2.39m | 4:19PM2.64m | ||||||||
Low Tide | 6:03PM-0.10m | 6:28AM-0.15m | 6:50PM-0.10m | 7:10AM-0.05m | 7:35PM-0.06m | 7:51AM0.08m | 8:19PM0.03m | 8:32AM0.24m | 9:05PM0.14m | 9:16AM0.40m | 9:54PM0.27m | 10:03AM0.53m | 10:47PM0.38m | |||||||
 |  | | |  |  |  |  |  |  | | | | | | | | | |  | |
 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:53 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — |
mm | — | — | — | — | — | 7 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 23 | 19 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 20 | 18 | 13 | 14 | 13 | 14 | 18 | 16 | 17 | 20 | 22 |
Feels °C | 19 | 16 | 15 | 15 | 16 | 15 | 16 | 19 | 17 | 19 | 13 | 9 | 11 | 11 | 12 | 15 | 13 | 14 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SSE 6 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 5 | SE 6 | SE 7 | SE 7 | SE 7 | E 6 | E 5 | ESE 7 | ESE 8 | S 4 | ESE 7 | E 7 | S 5 |
| kJ | 22 | 4 | 14 | 14 | 15 | 24 | 32 | 18 | 68 | 77 | 41 | 17 | 35 | 4 | 17 | 19 | 13 | 17 | 9 | 29 |
Swell 2 Height (m) Direction Period (s) | NE 4 | SE 9 | SSE 6 | — | S 8 | — | — | SE 9 | ENE 5 | E 5 | E 15 | S 15 | SE 6 | ESE 9 | ESE 9 | SE 13 | E 8 | SE 13 | ESE 12 | ESE 8 |
| kJ | 1 | 3 | 3 | — | 1 | — | — | 29 | 7 | 2 | 4 | 4 | 6 | 8 | 9 | 7 | 30 | 6 | 15 | 22 |
Swell 3 Height (m) Direction Period (s) | — | SE 11 | — | — | — | — | — | — | — | — | — | E 15 | ESE 9 | E 6 | SE 13 | E 13 | SE 13 | SE 12 | SE 9 | SE 12 |
| kJ | — | 4 | — | — | — | — | — | — | — | — | — | 4 | 8 | 3 | 7 | 4 | 7 | 6 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | W 2 | NE 3 | — | SSE 3 | S 5 | SSE 5 | SSE 4 | — | — | NNE 3 | NNE 4 | ENE 5 | — | — | — | S 3 | S 4 | S 4 | S 5 | NE 3 |
| kJ | 1 | 1 | — | 2 | 45 | 22 | 11 | — | — | 5 | 43 | 37 | — | — | — | 7 | 16 | 18 | 100 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 472 | 590 | 1326 | 1330 | 11 | 402 | 62 | 62 | 11 | 11 | 462 | 81 | 1342 | 381 | 62 | 1241 | 11 | 472 | 1909 | 657 |
Best forecast wave conditions in Maine | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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